Home / 74,889,991.10-112,334,986.65-66,529,235.90

Finding the Fourth Proportional to 74,889,991.10, 112,334,986.65 and 66,529,235.90

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Solution

The fourth proportional to 74,889,991.10, 112,334,986.65 and 66,529,235.90 is: 99,793,853.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,889,991.10 : 112,334,986.65 = 66,529,235.90 : x
  2. Step 2: Convert to fraction form
    74,889,991.10/112,334,986.65 = 66,529,235.90/x
  3. Step 3: Cross multiply
    74,889,991.10x = 112,334,986.65 × 66,529,235.90
  4. Step 4: Simplify right side
    74,889,991.10x = 7,473,560,826,661,201
  5. Step 5: Solve for x
    x = 7,473,560,826,661,201/74,889,991.10
  6. Step 6: Final answer
    x = 99,793,853.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.